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Date:      Mon, 27 Aug 2001 08:59:32 -0400
From:      "Bob Hall" <rjhalljr@starpower.net>
To:        FreeBSD <freebsd-questions@freebsd.org>
Subject:   Using dvd-ram for backup
Message-ID:  <20010827085932.A211@starpower.net>

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Has anyone used dvd-ram for backup? I've been searching the 
FreeBSD site and my books for several days, and I haven't 
been able to come up with the magic combination of keystrokes 
that will persuade FreeBSD to write to a dvd-ram device.

My system is 4.3 release. I've tried using newfs to create 
a Unix file system on the disk:
	# newfs -v /dev/rcd0c
but I get an error message that it can't write the disk 
label. I've tried using disklabel and received the save 
message.

I've tried 
	# dump -f /dev/rcd0c /usr
but it tells me that I need 12 volumes. My entire file 
system takes up less than half of one side of a dvd disk.

I've also tried using tar, but it just fills the /cd0 file 
to maximum capacity, and I have to MAKEDEV to shrink it so 
that I can use the computer. (/: file system full)

Thanks in advance for any suggestions

Bob Hall
-- 
Know thyself? Absurd direction!
Bubbles bear no introspection.        -Khushhal Khan Khatak

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